Home / 143,280.46-214,864.39-48,484.54

Finding the Fourth Proportional to 143,280.46, 214,864.39 and 48,484.54

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Solution

The fourth proportional to 143,280.46, 214,864.39 and 48,484.54 is: 72,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,280.46 : 214,864.39 = 48,484.54 : x
  2. Step 2: Convert to fraction form
    143,280.46/214,864.39 = 48,484.54/x
  3. Step 3: Cross multiply
    143,280.46x = 214,864.39 × 48,484.54
  4. Step 4: Simplify right side
    143,280.46x = 10,417,601,111.53
  5. Step 5: Solve for x
    x = 10,417,601,111.53/143,280.46
  6. Step 6: Final answer
    x = 72,707.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.